209569145

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71161}}^1$

素因数の和:71216

約数の個数: 16

約数和(自身を含む): 273262080

約数和(自身を除く): 63692935

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 71161, 355805, 1352059, 2205991, 6760295, 11029955, 41913829, 209569145]

約数ペア:

[(1, 209569145), (5, 41913829), (19, 11029955), (31, 6760295), (95, 2205991), (155, 1352059), (589, 355805), (2945, 71161)]